
Sonopan Plussp. z o.o.
Manufacture of instruments and appliances for measuring, testing and navigation
Overview
Sonopan Plus, operating since 1974, manufactures acoustic and photometric measurement equipment. Its products include sound level meters, sound analyzers, noise dosimeters, calibrators, measurement microphones, environmental monitoring sets, luxmeters, radiometers, luminance meters, and software for measurement reporting.
Industry
Bank accounts
Registered as a VAT taxpayer on 2026-06-01. Active
17 1090 2590 0000 0001 6662 8231
67 1090 2590 0000 0001 6706 3831
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
Public sector contracts
Sonopan Plus is the contractor in 10 public sector contracts, worth PLN 66.00k in total. They were signed with 8 public buyers.
| Public buyer | Value | |
|---|---|---|
| Wojewódzka Stacja Sanitarno-Epidemiologiczna w Bydgoszczy | PLN 335.00 | |
| Uniwersytet Jagielloński | PLN 817.95 | |
| Komenda Wojewódzka Policji we Wrocławiu | PLN 10,407 | |
| Komenda Wojewódzka Policji w Łodzi | PLN 2,600 | |
| Politechnika Poznańska | PLN 5,660 |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
| BDO register entry | Active |
Authorized Representatives
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
D-tech Sp. z o.o. | 26 | $351.16 | 2.6% |
Marek Adam Karabowicz (62) | 32 | $432.20 | 3.2% |
Daniel Zimnicki (53) | 42 | $567.26 | 4.2% |
Others | 900 | $12,155.59 | 90% |
Beneficial owners
| Person | Rights |
|---|---|
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| SonelS.A. | $39,192,114.52 | sonel.pl | ||
| AplisensS.A. | $29,042,440.98 | aplisens.pl | ||
| Svanteksp. z o.o. | $14,509,252.77 | svantek.com | ||
| Elektro System Plussp. z o.o. | $4,284,910.73 | elektro-system.pl | ||
| Simexsp. z o.o. | $3,792,552.76 | simex.pl | ||
| AlterS.A. | $2,861,952.25 | altersa.pl | ||
| Megaterm Plussp. z o.o. | $1,763,293.46 | megaterm.pl | ||
| Enko-Pomiarsp. z o.o. | $1,156,939.62 | enkopomiar.pl | ||
| Sensor TechS.A. | $929,350.18 | sensortech.com.pl | ||
| Bmsonicsp. z o.o. | $401,102.67 | bmsonic.com.pl |
Change history
| Date | Event | |
|---|---|---|
| 2026-09-24 | Address change (50/1, 16-080, Rzędziany → Ul. Konstantego Ciołkowskiego 2/2, 15-264, Białystok) | |
| 2026-09-24 | Share capital change (5,000.00 PLN → 50,000.00 PLN) | |
| 2026-09-24 | PKD change (Removed: 46.90.Z, 47; Added: 26.51.Z, 47.40.Z) | |
| 2025-12-10 | Entered in the register |
FAQ
Last updated: 2026-10-03